An adjustable diameter mechanism includes a plurality of cylinder portions, each of the cylinder portions comprising an arcuate portion of a cylinder and extending along an arc of less than or about 120 degrees of a 360 degree circle and having an inner side and an outer side. The inner side of the cylinder portions are coupled to first ends of a scissors mechanism at a pivot point and a slot of the cylinder portions, the scissors mechanism having a first and a second piece pivotally coupled at a pivot coupling, respective second ends of the scissors mechanism coupled to a respective pair of threaded bolts engaged with a screw having opposing threads meeting at a central point thereof.

A padel turf sand brush (1) and method for maintenance of padel turfs. The brush (1) comprises a base member (2). The brush (1) further comprises a brush shaft (7). The brush (1) further comprises a first (9) and a second elongated brush portion (10). The first (9) and the second elongated brush portion (10) interact when the brush (1) is in use by being moved on top of the surface of the padel turf, such that the padel turf sand is transferred from areas of the padel turf having too much sand to areas of the padel turf having too little sand, as some of the sand being brushed stays in front, in the direction of travel, of the first (9) and the second elongated brush portion (10), for a certain period of time.

A floor cleaning system and a method of cleaning a floor are provided. The cleaning system includes a flat headed mop. The system also includes a frame and at least one compartment removably coupled to the frame. A wringing assembly is fluidly coupled to the at least one compartment, the wringing assembly comprising a fixed extractor element and at least one roller movable from a first position when the mop head is being inserted to a second position when the mop head is being withdrawn.

An articulated tool holder on an extension pole. The device uses an extension pole with a pivoting tool holder on the end of the pole. The tool holder is connected to a sliding hand grip on the extension pole, movement of which causes the tool holder to rotate so the tool can be used in different positions from the extension pole.

A system, device, and a method are provided for cleaning tools, for example a nit comb. A cleaning device may be part of a cleaning system and may include one or more cleaning surfaces configured to make contact with some or all parts of the tool that is to be cleaned. The cleaning surface(s) may include a multiplicity of strands or bristles that are configured to fit in a space between portions of the tool to be cleaned, for example, between the tines of a nit comb. A tool to be cleaned may be passed or drawn along one or more portions of one or more cleaning surfaces of the cleaning device. Various cleaning devices and methods for using the cleaning devices are also described.

A cleaning brush including a body including a first member and a second member opposing the first member. The first member hingedly coupled to the second member. A first bristle portion coupled to the first member. A second bristle portion coupled to the second member. The first bristle portion and the second bristle portion forming a space therebetween.

A scrubbing tool for cleaning a surface that has a handle for holding by a user in a cleaning operation. The handle has a first connector. The scrubbing tool also has a cleaning head having a second connector configured to mate with the first connector in order to attach the cleaning head to the handle in an engaged position. The cleaning head is comprised entirely of a material configured to dissolve in water and has a cleaning agent.

A first work tool arm is rotatably attached to a frame or reference structure, a second work tool arm rotatably attached to the first work tool arm, and a work tool attached to an end of the second work tool arm. An actuator and a spring are each rotatably attached to the second work tool arm and configured such that separate movement of the first work tool arm relative to the frame or reference structure and movement of the second work tool arm and work tool relative to the first work tool arm are achieved with actuation of the actuator.

A toothbrush head comprises a head base and a head frame framing the head base. The head base comprises a substrate with multiple sockets for inserting bristles. The substrate has an outer frame, a central component, and two lateral components. The outer frame comprises a space, a front inner wall, a back inner wall, and two lateral inner walls. The central component is positioned in the space of the outer frame and links to the front inner wall and the back inner wall thereof. Each of the two lateral components is positioned between the central component and each of the two lateral inner walls and links to each of the two lateral inner walls with junctions, respectively, allowing the two lateral components to be rotatable. The toothbrush head helps users to brush the teeth with Bass method without injuring the gingiva, and keeps the toothbrush clean after brushing the teeth.

The present application provides a collapsible rotary electric cleaning brush, including a handle assembly, a drive assembly, a rotary assembly, and a cleaning brush head assembly. The handle assembly is connected to the drive assembly. A collapsible rotary assembly is provided at the lower part of the drive assembly. A detachable rotary cleaning brush head assembly is provided at the bottom of the rotary assembly. The beneficial effect of the present application is that: the automatic cleaning and the collapsible rotation function can be performed, the cleaning brush head can be offset with the cleaning area, and the cleaning can be performed automatically. The operation is simple and labor-saving. The present application is equipped with a variety of brush heads, which can be replaced according to different use scenarios and cleaning areas. The cleaning effect is the best, and the replacement is simple and convenient.